Toffee Bars

Directions

1. 1
   Cream butter, sugar and egg yolk.
2. 2
   Add vanilla.
3. 3
   Sift flour; add and mix well.
4. 4
   Bake in cookie pan (do not grease) for 15 to 20 minutes at 350°.
5. 5
   While still hot, top with 6 regular size Hershey bars.
6. 6
   When melted, spread to frost.
7. 7
   Cut into squares.